A new hack of New Super Mario Bros Deluxe is relased. It is a mix of the original Super Mario Bros Levels and the lost levels.

Instructions:

1. Extract All to a folder
2. Open Xdelta UI
3. When prompted select the file New_super_mario_bros_deluxe!.xdelta
4. When you request an unmodified ROM, select the original rom New Super Mario Bros (USA)
5. Press Apply Patch to create a new .nds modified in the folder, which will be the NSMB game Deluxe!